Force-feed reservoir.



P. S. HAMRICK.

FORCE FEED RESERVOIR.

APPLIoATIoN FILED 1120.2, 1911.

1,020,602. Patented Mar.19,1912.

3 n vanto@ FD F75/f 5. Hamr/'U/f UNITED STATES PATENT OFFICE.

PORTER` S. HAMRICK, 0F WAUSAU, WISCONSIN.

FORCE-FEED RESERVOIR.

To all whom t may concern Be it known that I, PORTER S. HAMRICK, acitizen of the United States, residing at Wvausau, in the county ofMarathon and State of Visconsin, have invented certain new and usefulImprovements in Force- Feed Reservoirs, of which the following is aspecification, reference being had to the accompanying drawings. Y

This invention relates to force feed tanks or reservoirs and has for itsobject to provide a device of this character which is primarily adaptedfor use in combination with a drinkingfountain whereby suiicientpressure of air upon the water contained in ,the tank is Vmaintained tocause the` water to be forcibly ejected upwardly from a sanitarydrinking cup.

Another object of the invention resides in the provision of a tankconsisting of inner and outer concentric walls having mineral wool orother non-heat-conducting material arranged between them, said innertank being closed at its top and bottom and having a pump arranged inits top wall and depending into the'same and a cover for said tankcapable of being inverted to provide a filling funnel having a neck forthreaded engagement in an inwardly lex:- tending neck formed on thetank.

A still further object of the invention is to provide a simple, eiicientand durable device oI' the above character including means whereby thepressure of air within the tank may be easilyand quickly renewed.

With the above and other objects in view,

the invention consists of the novel features of construction,combination and arrangement of parts hereinafter fully described andclaimed, and illustrated in the accompanying drawings, in which-'-Figure 1 is -a side elevation of my ilnproved tank or reservoir; Fig. 2is a vertical section thereof; and Fig. 3 is a similar view showing thetop inverted to provide a filling funnel.

Referring in detail to the drawing 5 designates the outer cylindricalshell of the tank which is provided at its lower end'with an outwardlyflared annular fiange 6 to form a supporting base. A substantiallysemicireular dome-shaped top 7 is provided for this outer shell and isformed at its edge with a flange 7 for frictionalengagement over theupper open end of said shell. The

lcenter of the cover 7 is vprovided with a Specication of LettersPatent.

Application led December 2, 1911.

ing material indicated at 11.

Patented Har. 19, 1912.

serial No. 663,560.

short neck 8 which is exteriorly threaded to receive a screw cap 9. l

The inner shell 10 is arranged in spaced concentric relation to theouter shell. said inner Snell being closed at its top and hottom asclearly shown. The space between the inner and outer shells is filledwith mineral wool,charcoalor other nun-heat-conduct- Theinner shell 10is preferably provided upon its inner surface with an enamel lining 12and the top thereof is centrally formed with tlie inwardly extendingannular flange 13 which is threaded to receive the upper enlarged end 14of the pump casing 15. The upper end of the pump easing is furtherprovided with a flange 16 between which and the top wall a packing gland17 is arranged whereby the inner vessel is rendered practicallyair-tight. The air pump may be of any ldesired or preferred form, thesame including a plunger provided with a handle 1S upon its upper endwhereby the same may be operated. The upper portion of the pump whichprojects above the inner vessel is entirely inclosed and hidden fromview by the dome-shaped removable top 7 of the outer vessel. A safetyair valve 19 is also provided in the top wall of the inler vesselwhereby liability -of the bursting of the tank from an excess ofpressure is entirely eliminated.

The faucet 20 is attached to the tank and communicates with the inner.vessel at its extreme lower end. This faucet and the fountain may be ofany approvedtype and as shown includes a sanitary drinking cup 21 and acatch basin 22.

In the operation of the device, the pump is operated until sufficientair pressure is secured in the upper end of the inner vessel 10 to ejectthe water from the fountain cup 21, causing a continuous bubblingthereof by the force of the water as it enters the cup. It is of courseunderstood that the lower portion of the inner vessel of the reservoiris first filled with water before the pump is inserted therein. Thisfilling of the reservoir is facilitated by removing the cap 9 from thecover 7 of the tank and inverting said cover and threading the neck 8thereof -in the annular inwardly disposed fiange 3 of the top of theinner vessel 10. Owing to the form and capacity of the cover 7 it willbe obvious that the tank may be very quickly supplied with water.

tained, thus rendering the fountain perfectly sanitary. The fountainpmayalso be easily and quickly entirely removed from the reservoir andcleaned or repaired.

Thile have shown and described the preferred form and construction ofthe vay rious parts, it will be obvious thatv the invention issusceptible of many minor modifications Without departing from theessential feature or sacrificing any of the advantages thereof.

Having thus described the invention what. is claimed is 2- A tank orreservoir of the character described comprising inner and outerconcentrically arranged shells, said inner shell be ing closed at itstop and bottom and centrally provided with an inwardly extending 25threaded annular flange, a pump removably secured in the flange of saidtop, a domeshaped'cover for the upper end of the outer shell having acentral opening and a threaded neck surrounding said opening, said coverbeing adapted to be inverted to engage` the threaded neck thereof in thethreaded flange of the top wall of said inner vessel to facilitate thefilling of said inner vessel, and a fountain supply pipe extendinglthrough the walls of said inner and outer vessels at` their lower ends.

ln testimony whereof I hereunto affix my signature in the presence oftwo witnesses.

F. S. MILLER, VILL L. DoLEsCHAL.

